Available as a downloadable PDF Bright lights for warm winter nights by Robbin Runtas. She recommends the 120 peg 1/4 gauge loom with #4 yarn and includes hat and neck warmer pattern.
I ordered the oval 200 peg afghan loom. I debated on whether to get it because of the cost but I love it! It's so easy to get around and it's worth every penny. I look forward to making a lot of blankets!